<template>
  <basic-container>
    <avue-crud
      ref="crud"
      v-model="form"
      :page.sync="page"
      :data="tableData"
      :permission="permissionList"
      :table-loading="tableLoading"
      :option="tableOption"
      :before-open="handleOpenBefore"
      @on-load="getList"
      @search-change="searchChange"
      @search-reset="searchReset"
      @row-update="handleUpdate"
      @row-save="handleSave"
      @row-del="handleDel"
    >
      <template
        slot="menuTreeForm"
        slot-scope="{}"
      >
        <el-tree
          ref="menuTree"
          :data="menuData"
          :check-strictly="false"
          :props="defaultProps"
          :default-checked-keys="checkedMenu"
          class="filter-tree"
          node-key="id"
          highlight-current
          show-checkbox
        />
      </template>
    </avue-crud>
  </basic-container>
</template>

<script>
import { fetchList, addObj, putObj, delObj } from '@/api/admin/tenant-menu';
import { tableOption } from '@/const/crud/admin/tenant-menu';
import { mapGetters } from 'vuex';
import { treemenu } from '@/api/admin/tenant-menu';
import crudMixins from '@/mixins/crud';
export default {
  name: 'Tenantmenu',
  mixins: [crudMixins],
  data() {
    return {
      searchForm: {},
      tableData: [],
      page: {
        total: 0, // 总页数
        currentPage: 1, // 当前页数
        pageSize: 20, // 每页显示多少条
      },
      tableLoading: false,
      tableOption: tableOption,
      menuData: [],
      defaultProps: {
        label: 'name',
        value: 'id',
      },
      checkedMenu: [],
      form: {},
    };
  },
  computed: {
    ...mapGetters(['permissions']),
    permissionList() {
      return {
        addBtn: this.vaildData(this.permissions.admin_systenantmenu_add, false),
        delBtn: this.vaildData(this.permissions.admin_systenantmenu_del, false),
        editBtn: this.vaildData(
          this.permissions.admin_systenantmenu_edit,
          false
        ),
      };
    },
  },
  methods: {
    // 列表查询
    getList(page, params) {
      this.tableLoading = true;
      fetchList(
        Object.assign(
          {
            current: page.currentPage,
            size: page.pageSize,
          },
          params,
          this.searchForm
        )
      )
        .then((response) => {
          this.tableData = response.data.data.records;
          this.page.total = response.data.data.total;
          this.tableLoading = false;
        })
        .catch(() => {
          this.tableLoading = false;
        });
    },
    handleOpenBefore(show, type) {
      window.boxType = type;
      treemenu().then((response) => {
        this.menuData = response.data.data;
        if (this.form.menuIds) {
          this.checkedMenu = this.resolveAllEunuchNodeId(
            this.menuData,
            this.form.menuIds.split(','),
            []
          );
        } else {
          this.checkedMenu = [];
        }
      });
      show();
    },
    /**
     * 解析出所有的太监节点id
     * @param json 待解析的json串
     * @param idArr 原始节点数组
     * @param temp 临时存放节点id的数组
     * @return 太监节点id数组
     */
    resolveAllEunuchNodeId(json, idArr, temp) {
      for (let i = 0; i < json.length; i++) {
        const item = json[i];
        // 存在子节点，递归遍历;不存在子节点，将json的id添加到临时数组中
        if (item.children && item.children.length !== 0) {
          this.resolveAllEunuchNodeId(item.children, idArr, temp);
        } else {
          temp.push(idArr.filter((id) => id === item.id));
        }
      }
      return temp;
    },
    // 删除
    handleDel: function (row, index) {
      this.$confirm('是否确认删除ID为' + row.id, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(function () {
          return delObj(row.id);
        })
        .then((data) => {
          this.$message.success('删除成功');
          this.getList(this.page);
        });
    },
    // 更新
    handleUpdate: function (row, index, done, loading) {
      this.form.menuIds = [
        ...this.$refs.menuTree.getCheckedKeys(),
        ...this.$refs.menuTree.getHalfCheckedKeys(),
      ].join(',');
      putObj(this.form)
        .then((data) => {
          this.$message.success('修改成功');
          done();
          this.getList(this.page);
        })
        .catch(() => {
          loading();
        });
    },
    // 保存
    handleSave: function (row, done, loading) {
      const halfIds = this.$refs.menuTree.getHalfCheckedKeys();
      const menuIds = this.$refs.menuTree.getCheckedKeys();
      this.form.menuIds = halfIds.concat(menuIds).join(',');
      addObj(this.form)
        .then((data) => {
          this.$message.success('添加成功');
          done();
          this.getList(this.page);
        })
        .catch(() => {
          loading();
        });
    },
  },
};
</script>
